Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2019, Vol. 30 ›› Issue (8): 126 doi: 10.1007/s41365-019-0652-9

• NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH • Previous Articles     Next Articles

An efficient method for mapping the 12C+12C molecular resonances at low energies

Xiao-Dong Tang,1, 2 Shao-Bo Ma,1, 2 Xiao Fang,3 Brian Bucher,4 Adam Alongi,5 Craig Cahillane,5 and Wan-Peng Tan5   

  1. 1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
    2School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
    3Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
    4Idaho National Laboratory, Idaho Falls, ID 83415, USA 5Institute for Structure and Nuclear Astrophysics, University of Notre Dame, Notre Dame, IN 46556, USA
  • Received:2019-04-30 Revised:2019-05-17 Accepted:2019-05-23
  • Contact: Xiao Fang E-mail:fangx26@mail.sysu.edu.cn
  • Supported by:
    This work was supported by the National Key R&D Program of China (No. 2016YFA0400500), the National Natural Science Foundation of China (Nos. 11805291, 11475228, 11490560, 11490564, 11875329), the National Science Foundation of the US (Nos. PHY-1068192, PHY-1419765), the US Department of Energy (No. DE-AC07-05ID14517),the Key Program (No. XDPB09-2) and the “Hundred Talents Program” of the Chinese Academy of Sciences, and the Fundamental Research Funds for the Central Universities (No. 18lgpy84).
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Xiao-Dong Tang, Shao-Bo Ma, Xiao Fang, Brian Bucher, Adam Alongi, Craig Cahillane, Wan-Peng Tan. An efficient method for mapping the 12C+12C molecular resonances at low energies.Nuclear Science and Techniques, 2019, 30(8): 126     doi: 10.1007/s41365-019-0652-9
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Abstract: The 12C+12C fusion reaction is famous because of its complication of molecular resonances, and it plays an important role in both nuclear structural research and astrophysics. It is extremely difficult to measure the crosssections of 12C+12C fusions at energies of astrophysical relevance because of the very low reaction yields. To measure the complicated resonant structure that exists in this important reaction, an efficient thick target method has been developed and applied for the first time at energies Ec.m.<5.3 MeV. A scan of the cross-sections over a relatively wide range of energies can be carried out using only a single beam energy. The result of measurement at Ec.m.= 4.1 MeV is compared with results from previous work. This method will be useful for searching for potentially existing resonances of 12C+12C in the energy range 1 MeV

Key words: 12C+12C, Molecular resonance, Thick target method, 12C(12C,p)23Na